Cryptography
Cryptography
Cryptography is the study and practice of some techniques for securing the process of communication in the presence of other people who are called adversaries. In general, cryptography is concerned with creating and analyzing some systems that prevent enemies or the public from reading private messages. That is, by means of transferring data (such as writing) from its natural form, understood by any person to an incomprehensible form, so that it is impossible for those who do not have a specific secret knowledge to know its content. Various areas of information security science such as data confidentiality, information integrity and data authentication are essential aspects of modern cryptography. In its contemporary form, blinding is found in a number of sciences such as mathematics, computer science, electrical engineering, communication science and physics. Today, this science has a prominent place among the sciences, as its practical applications have varied to include several fields: e-commerce, electronic payment cards, digital currencies, computer passwords and military communications.